How severe is CVE-2023-20864?

CVE-2023-20864 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-20864 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20864?

CVE-2023-20864 primarily affects Vmware Aria Operations For Logs. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-20864?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-20864 published?

CVE-2023-20864 was published on 2023-04-20 and last updated on 2026-06-17.

CVE-2023-20864

CVE-2023-20864 is a critical-severity vulnerability in Vmware Aria Operations For Logs with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 72% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 72% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Vmware Aria Operations For Logs
Published: 2023-04-20
Last modified: 2026-06-17

Description

VMware Aria Operations for Logs contains a deserialization vulnerability. An unauthenticated, malicious actor with network access to VMware Aria Operations for Logs may be able to execute arbitrary code as root.

Frequently asked questions

What is CVE-2023-20864?: VMware Aria Operations for Logs contains a deserialization vulnerability. An unauthenticated, malicious actor with network access to VMware Aria Operations for Logs may be able to execute arbitrary code as root.
How severe is CVE-2023-20864?: CVE-2023-20864 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-20864 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20864?: CVE-2023-20864 primarily affects Vmware Aria Operations For Logs. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-20864?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-20864 published?: CVE-2023-20864 was published on 2023-04-20 and last updated on 2026-06-17.

References

https://www.vmware.com/security/advisories/VMSA-2023-0007.html

Affected products (2)

cpe:2.3:a:vmware:aria_operations_for_logs:*:*:*:*:*:*:*:*
cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*

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